This document discusses how businesses can grow by increasing their speed of learning. It recommends focusing experiments on a single customer segment, location, problem, product, business model, distribution channel, and experiment at a time. This focused approach allows companies to learn quickly through experimentation and make adjustments to find product-market fit faster ("flearning"). The key is conducting many small, focused experiments to learn rapidly and stay ahead of competitors in an environment where the pace of change is accelerating.